53083389 has 4 divisors (see below), whose sum is σ = 70777856. Its totient is φ = 35388924.

The previous prime is 53083343. The next prime is 53083399. The reversal of 53083389 is 98338035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 53083389 - 2¹¹ = 53081341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53083309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8847229 + ... + 8847234.

It is an arithmetic number, because the mean of its divisors is an integer number (17694464).

Almost surely, 2^53083389 is an apocalyptic number.

It is an amenable number.

53083389 is a deficient number, since it is larger than the sum of its proper divisors (17694467).

53083389 is a wasteful number, since it uses less digits than its factorization.

53083389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17694466.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 53083389 is about 7285.8348183307. The cubic root of 53083389 is about 375.8254740248.

The spelling of 53083389 in words is "fifty-three million, eighty-three thousand, three hundred eighty-nine".